In 2025, 26 US boys were named Wilhelm, making it the 4,133rd most common boys’ name of the year, up 183 places from #4,316 in 2024. That is 1 more than the 25 boys named Wilhelm in 2024. Its best rank for boys was #833, reached in 1885. The most boys given the name in a single year was 38, in 2014. For comparison, it was #4,701 in 2015 and #2,765 in 1950.
Social Security card records list Wilhelm in 132 years of the 146 from 1880 to 2025, starting in 1880 with 6 babies. In all, 1,828 US babies have been given the name, all of them boys. Its busiest decade was the 2010s, with 233 babies named Wilhelm.
Over the 10 years from 2016 to 2025, 242 US boys were named Wilhelm; the busiest of those years was 2022, with 33. In 2025 that was about 1 in 65,695 of the boys in SSA’s list for the year.
Related spellings in the SSA files include William (4,215,725 babies since 1880), Bill (161,190 babies since 1880), Will (46,610 babies since 1880) and Guillermo (32,148 babies since 1880). The open nickname list we use links it to Wil and Willie.